* {
	margin: 0;
	padding: 0;
}

.title_1{
	width: 1220px;
	height: 30px;
	margin-left: 115px;
	margin-top: 13px;
}

.main{
	width: 1220px;
	height: 100vh;
	margin-left: 115px;
	margin-top: 13px;
	flex-grow: 1;
	padding: 20px;
	background-color: #fff;

}

.left-nav {
    width: 150px;
    height: 100vh;
    background-color: #ffffff;
    padding: 10px; 
    border-right: 1px solid #e2e2e2; 
}

.nav-list a {
    display: block;
    color: #333;
    text-decoration: none;
    padding: 10px 20px;
    font-size: 15px;
}

.nav-list a:hover,
.sub-nav a:hover {
    background-color: #e6e6e6;
}

.sub-nav {
   display: none;
    list-style: none;
    padding-left: 20px;
}

.nav-list li:hover .sub-nav {
   display: block;
}

.sub-nav li {
   margin-bottom: 5px;
}

.sub-nav a {
   font-size: 13px;
    color: #666;
    display: block;
    padding: 5px 20px;
}

.my-menu-info{
	z-index: 0;
	float: left;
	position: relative;
	margin-top: -670px;
	margin-left: 190px;
	width: 1010px;
	height: 700px;
	background-color: #ffffff;
	background-size: cover;
	
}


